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Heat Pump
Bryant
575B, 541A dimensions 575C090,120 Unit Dimensions
Models:
541A
575B
575C
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X. Replacement Parts
E.Control Circuit Wiring
G. Vapor Line Piping Procedure
Vii. Adjust Refrigerant Charge
Checklist
A. Cleaning Standard Coils
Weight
Service I. Compressor Removal
Page 3
Image 3
Fig. 2 — 575C090,120 Unit Dimensions
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Image 3
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Contents
III. Complete Refrigerant Piping
CONTENTS
SAFETY CONSIDERATIONS
INSTALLATION I. COMPLETE PRE-INSTALLATIONCHECKS
BOTTOM
Fig. 1 - 575B072 Unit Dimensions
B. Locate Unit
C. Mount Unit
Fig. 2 - 575C090,120 Unit Dimensions
WEIGHT DISTRIBUTION
Fig. 3 - 541A180 Unit Dimensions
Fig. 4 - Component Locations - 541A180 Shown
Page
A. Check Vertical Separation
C. Install Filter Driers and Moisture Indicators
D. Liquid Line Piping Procedure
III. COMPLETE REFRIGERANT PIPING CONNECTIONS
Table 5 - Minimum Outdoor Air
F. Provide Safety Relief
G. Vapor Line Piping Procedure
Table 4 - Refrigerant Specialties Part Numbers
D. General Wiring Notes See Fig
A. Power Supply
B. Power Wiring
C. Unbalanced 3-PhaseSupply Voltage
Fig. 8 - Wiring Diagram - 575C090,120
Control Transformer
Table 7 - Electrical Data
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541A180/524A-H
575C090,120 Units
PRE-START-UP
I.PRELIMINARY CHECKS
Fig. 15A - Compressor Mounting - 575B072 and
I. COMPRESSOR ROTATION 575B,C Units
III. LIQUID LINE SOLENOID
IV. ACCUMULATOR
START-UP
A. Add Oil
VII. ADJUST REFRIGERANT CHARGE
IV. COMPRESSOR LOCKOUT DEVICE
V. PRELIMINARY OIL CHARGE 541A
SEQUENCE OF OPERATION I. 575B072 UNITS
Fig. 19A - 575B072 Charging Chart
Fig. 19B - 575C090,120 Charging Chart
Fig. 19C - 541A180 Charging Chart
A. Duplex 575C120 Units with 524A-H240See Fig
III. 541A180 UNITS A. Heating
B. Cooling
IV. DUPLEX UNITS
VI. CAUSES OF COMPLETE UNIT SHUTDOWN
SERVICE I. COMPRESSOR REMOVAL
D. Check Operation
V. RESTART
VII. OUTDOOR UNIT FANS
IV. 541A180 COOLING MODE OPERATION See Fig
V.541A180 HEATING MODE OPERATION See Fig
VI. CRANKCASE HEATER
Fig. 22 - 541A180 Cooling Mode
Fig. 21 - 575C090,120 Heating Mode Size 090 Shown
Fig. 23 - 541A180 Heating Mode
IX. COIL CLEANING AND MAINTENANCE
A. Cleaning Standard Coils
B. Cleaning and Maintaining E-CoatedCoils
Fig. 25 - Coil Cleaning Typical
X. REPLACEMENT PARTS
Fig. 24 - Pivot and Support Top Cover
TROUBLESHOOTING CHART - HEATING CYCLE
CATALOG NO
TROUBLESHOOTING CHART - COOLING CYCLE
LEGEND Crankcase Heater
Thermostatic Expansion Valve
CONTROLS
START-UPCHECKLIST
I. PRELIMINARY INFORMATION
II.PRE-START-UP OUTDOOR UNIT
III. START-UP
COOLING
HEATING
